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SUMMARY:Matter bounce and dynamical aspects in nonmetricity gravity
DTSTART;VALUE=DATE-TIME:20220919T131000Z
DTEND;VALUE=DATE-TIME:20220919T134000Z
DTSTAMP;VALUE=DATE-TIME:20260518T121944Z
UID:indico-contribution-888@events.ncbj.gov.pl
DESCRIPTION:Speakers: Bivudutta Mishra (BITS-Pilani\, Hyderabad Campus)\nI
 n the context of the late time cosmic acceleration phenomenon\, many geome
 trically modified theories of gravity have been proposed in recent times. 
 In this paper\, we have investigated the role of a recently proposed exten
 sion of symmetric teleparallel gravity dubbed as $f(Q\,T)$ gravity in gett
 ing viable cosmological models\, where $Q$ and $T$ respectively denote the
  non-metricity and the trace of energy momentum tensor. We stress upon the
  mathematical simplification of the formalism in the $f(Q\,T)$ gravity and
  derived the dynamical parameters in more general form in terms of the Hub
 ble parameter. We considered two different cosmological models mimicking n
 on-singular matter bounce scenario. Since energy conditions play a vital r
 ole in providing bouncing scenario\, we have analyzed different possible e
 nergy conditions to show that strong energy condition and null energy cond
 ition be violated in this theory. The models considered in the work are va
 lidated through certain cosmographic tests and stability analysis.\n\nhttp
 s://events.ncbj.gov.pl/event/152/contributions/888/
LOCATION:Banach Center IMPAN 321
URL:https://events.ncbj.gov.pl/event/152/contributions/888/
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